223398750 has 80 divisors (see below), whose sum is σ = 572329296. Its totient is φ = 58080000.

The previous prime is 223398727. The next prime is 223398767. The reversal of 223398750 is 57893322.

It is a junction number, because it is equal to n+sod(n) for n = 223398699 and 223398708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 153024 + ... + 154476.

Almost surely, 2^223398750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223398750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286164648).

223398750 is an abundant number, since it is smaller than the sum of its proper divisors (348930546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223398750 is a wasteful number, since it uses less digits than its factorization.

223398750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 223398750 is about 14946.5296975586. The cubic root of 223398750 is about 606.7739297653.

The spelling of 223398750 in words is "two hundred twenty-three million, three hundred ninety-eight thousand, seven hundred fifty".